/*************************************************************************************************
 * The test cases of the fixed-length database API
 *                                                               Copyright (C) 2006-2012 FAL Labs
 * This file is part of Tokyo Cabinet.
 * Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation; either
 * version 2.1 of the License or any later version.  Tokyo Cabinet is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with Tokyo
 * Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA.
 *************************************************************************************************/


#include <tcutil.h>
#include <tcfdb.h>
#include "myconf.h"

#define RECBUFSIZ      48                // buffer for records
#define EXHEADSIZ      256               // expected header size


/* global variables */
const char *g_progname; // program name
unsigned int g_randseed; // random seed
HANDLE g_dbgfd = INVALID_HANDLE_VALUE; // debugging output


/* function prototypes */
int main(int argc, char **argv);
static void usage(void);
static void iprintf(const char *format, ...);
static void iputchar(int c);
static void eprint(TCFDB *fdb, int line, const char *func);
static void mprint(TCFDB *fdb);
static void sysprint(void);
static int myrand(int range);
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op);
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op);
static int runwrite(int argc, char **argv);
static int runread(int argc, char **argv);
static int runremove(int argc, char **argv);
static int runrcat(int argc, char **argv);
static int runmisc(int argc, char **argv);
static int runwicked(int argc, char **argv);
static int procwrite(const char *path, int rnum, int width, int64_t limsiz,
        bool mt, int omode, bool rnd);
static int procread(const char *path, bool mt, int omode, bool wb, bool rnd);
static int procremove(const char *path, bool mt, int omode, bool rnd);
static int procrcat(const char *path, int rnum, int width, int64_t limsiz,
        bool mt, int omode, int pnum, bool dai, bool dad, bool rl, bool ru);
static int procmisc(const char *path, int rnum, bool mt, int omode);
static int procwicked(const char *path, int rnum, bool mt, int omode);

/* main routine */
int main(int argc, char **argv) {
    g_progname = argv[0];
    const char *ebuf = getenv("TCRNDSEED");
    g_randseed = ebuf ? tcatoix(ebuf) : tctime() * 1000;
    srand(g_randseed);
    g_dbgfd = INVALID_HANDLE_VALUE;
    ebuf = getenv("TCDBGFD");
    if (ebuf) {
        int debugfd = tcatoix(ebuf);
#ifdef _WIN32
        g_dbgfd = (HANDLE) _get_osfhandle(debugfd);
#else
        g_dbgfd = debugfd;
#endif
    }
    if (argc < 2) usage();
    int rv = 0;
    if (!strcmp(argv[1], "write")) {
        rv = runwrite(argc, argv);
    } else if (!strcmp(argv[1], "read")) {
        rv = runread(argc, argv);
    } else if (!strcmp(argv[1], "remove")) {
        rv = runremove(argc, argv);
    } else if (!strcmp(argv[1], "rcat")) {
        rv = runrcat(argc, argv);
    } else if (!strcmp(argv[1], "misc")) {
        rv = runmisc(argc, argv);
    } else if (!strcmp(argv[1], "wicked")) {
        rv = runwicked(argc, argv);
    } else {
        usage();
    }
    if (rv != 0) {
        printf("FAILED: TCRNDSEED=%u PID=%d", g_randseed, (int) getpid());
        for (int i = 0; i < argc; i++) {
            printf(" %s", argv[i]);
        }
        printf("\n\n");
    }
    return rv;
}

/* print the usage and exit */
static void usage(void) {
    fprintf(stderr, "%s: test cases of the fixed-length database API of Tokyo Cabinet\n",
            g_progname);
    fprintf(stderr, "\n");
    fprintf(stderr, "usage:\n");
    fprintf(stderr, "  %s write [-mt] [-nl|-nb] [-rnd] path rnum [width [limsiz]]\n", g_progname);
    fprintf(stderr, "  %s read [-mt] [-nl|-nb] [-wb] [-rnd] path\n", g_progname);
    fprintf(stderr, "  %s remove [-mt] [-nl|-nb] [-rnd] path\n", g_progname);
    fprintf(stderr, "  %s rcat [-mt] [-nl|-nb] [-pn num] [-dai|-dad|-rl|-ru]"
            " path rnum [width [limsiz]]\n", g_progname);
    fprintf(stderr, "  %s misc [-mt] [-nl|-nb] path rnum\n", g_progname);
    fprintf(stderr, "  %s wicked [-mt] [-nl|-nb] path rnum\n", g_progname);
    fprintf(stderr, "\n");
    exit(1);
}

/* print formatted information string and flush the buffer */
static void iprintf(const char *format, ...) {
    va_list ap;
    va_start(ap, format);
    vprintf(format, ap);
    fflush(stdout);
    va_end(ap);
}

/* print a character and flush the buffer */
static void iputchar(int c) {
    putchar(c);
    fflush(stdout);
}

/* print error message of fixed-length database */
static void eprint(TCFDB *fdb, int line, const char *func) {
    const char *path = tcfdbpath(fdb);
    int ecode = tcfdbecode(fdb);
    int stderrno = errno;
#ifdef _WIN32
    DWORD myerrno = GetLastError();
    LPTSTR errorText = NULL;
    DWORD ret = FormatMessage(
            // use system message tables to retrieve error text
            FORMAT_MESSAGE_FROM_SYSTEM
            // allocate buffer on local heap for error text
            | FORMAT_MESSAGE_ALLOCATE_BUFFER
            // Important! will fail otherwise, since we're not
            // (and CANNOT) pass insertion parameters
            | FORMAT_MESSAGE_IGNORE_INSERTS,
            NULL, // unused with FORMAT_MESSAGE_FROM_SYSTEM
            myerrno,
            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
            (LPTSTR) & errorText, // output
            0, // minimum size for output buffer
            NULL); // arguments - see note
    if (!ret) {
        if (errorText) LocalFree(errorText);
        errorText = NULL;
    }
    fprintf(stderr, "%s: %s: %d: %s: error: %d:%s:%d:%s:%d:%s\n",
            g_progname, path ? path : "-",
            line, func,
            ecode, tcfdberrmsg(ecode),
            (int) myerrno, errorText ? errorText : "-",
            stderrno, strerror(stderrno));

    if (errorText) LocalFree(errorText);
#else
    fprintf(stderr, "%s: %s: %d: %s: error: %d:%s:%d:%s\n",
            g_progname, path ? path : "-",
            line, func,
            ecode, tcfdberrmsg(ecode),
            stderrno, strerror(stderrno));
#endif
}

/* print members of fixed-length database */
static void mprint(TCFDB *fdb) {
    iprintf("minimum ID number: %" PRIuMAX "\n", (uint64_t) tcfdbmin(fdb));
    iprintf("maximum ID number: %" PRIuMAX "\n", (uint64_t) tcfdbmax(fdb));
    iprintf("width of the value: %u\n", (unsigned int) tcfdbwidth(fdb));
    iprintf("limit file size: %" PRIuMAX "\n", (uint64_t) tcfdblimsiz(fdb));
    iprintf("limit ID number: %" PRIuMAX "\n", (uint64_t) tcfdblimid(fdb));
#ifndef NDEBUG
    if (fdb->cnt_writerec < 0) return;
    iprintf("cnt_writerec: %" PRIdMAX "\n", (int64_t) fdb->cnt_writerec);
    iprintf("cnt_readrec: %" PRIdMAX "\n", (int64_t) fdb->cnt_readrec);
    iprintf("cnt_truncfile: %" PRIdMAX "\n", (int64_t) fdb->cnt_truncfile);
#endif
}

/* print system information */
static void sysprint(void) {
    TCMAP *info = tcsysinfo();
    if (info) {
        tcmapiterinit(info);
        const char *kbuf;
        while ((kbuf = tcmapiternext2(info)) != NULL) {
            iprintf("sys_%s: %s\n", kbuf, tcmapiterval2(kbuf));
        }
        tcmapdel(info);
    }
}

/* get a random number */
static int myrand(int range) {
    if (range < 2) return 0;
    int high = (unsigned int) rand() >> 4;
    int low = range * (rand() / (RAND_MAX + 1.0));
    low &= (unsigned int) INT_MAX >> 4;
    return (high + low) % range;
}

/* duplication callback function */
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op) {
    if (op) {
        char *buf = NULL;
        int len = 0;
        switch ((int) (intptr_t) op) {
            case 1:
                len = vsiz + 1;
                buf = tcmalloc(len + 1);
                memset(buf, '*', len);
                break;
            case 2:
                buf = (void *) - 1;
                break;
        }
        *sp = len;
        return buf;
    }
    if (myrand(4) == 0) return (void *) - 1;
    if (myrand(2) == 0) return NULL;
    int len = myrand(RECBUFSIZ);
    char buf[RECBUFSIZ];
    memset(buf, '*', len);
    *sp = len;
    return tcmemdup(buf, len);
}

/* iterator function */
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op) {
    unsigned int sum = 0;
    while (--ksiz >= 0) {
        sum += ((char *) kbuf)[ksiz];
    }
    while (--vsiz >= 0) {
        sum += ((char *) vbuf)[vsiz];
    }
    return myrand(100 + (sum & 0xff)) > 0;
}

/* parse arguments of write command */
static int runwrite(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    char *wstr = NULL;
    char *lstr = NULL;
    bool mt = false;
    int omode = 0;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!wstr) {
            wstr = argv[i];
        } else if (!lstr) {
            lstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int width = wstr ? tcatoix(wstr) : -1;
    int64_t limsiz = lstr ? tcatoix(lstr) : -1;
    int rv = procwrite(path, rnum, width, limsiz, mt, omode, rnd);
    return rv;
}

/* parse arguments of read command */
static int runread(int argc, char **argv) {
    char *path = NULL;
    bool mt = false;
    int omode = 0;
    bool wb = false;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else if (!strcmp(argv[i], "-wb")) {
                wb = true;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else {
            usage();
        }
    }
    if (!path) usage();
    int rv = procread(path, mt, omode, wb, rnd);
    return rv;
}

/* parse arguments of remove command */
static int runremove(int argc, char **argv) {
    char *path = NULL;
    bool mt = false;
    int omode = 0;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else {
            usage();
        }
    }
    if (!path) usage();
    int rv = procremove(path, mt, omode, rnd);
    return rv;
}

/* parse arguments of rcat command */
static int runrcat(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    char *wstr = NULL;
    char *lstr = NULL;
    bool mt = false;
    int omode = 0;
    int pnum = 0;
    bool dai = false;
    bool dad = false;
    bool rl = false;
    bool ru = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else if (!strcmp(argv[i], "-pn")) {
                if (++i >= argc) usage();
                pnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-dai")) {
                dai = true;
            } else if (!strcmp(argv[i], "-dad")) {
                dad = true;
            } else if (!strcmp(argv[i], "-rl")) {
                rl = true;
            } else if (!strcmp(argv[i], "-ru")) {
                ru = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!wstr) {
            wstr = argv[i];
        } else if (!lstr) {
            lstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int width = wstr ? tcatoix(wstr) : -1;
    int64_t limsiz = lstr ? tcatoix(lstr) : -1;
    int rv = procrcat(path, rnum, width, limsiz, mt, omode, pnum, dai, dad, rl, ru);
    return rv;
}

/* parse arguments of misc command */
static int runmisc(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    bool mt = false;
    int omode = 0;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int rv = procmisc(path, rnum, mt, omode);
    return rv;
}

/* parse arguments of wicked command */
static int runwicked(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    bool mt = false;
    int omode = 0;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= FDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= FDBOLCKNB;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int rv = procwicked(path, rnum, mt, omode);
    return rv;
}

/* perform write command */
static int procwrite(const char *path, int rnum, int width, int64_t limsiz,
        bool mt, int omode, bool rnd) {
    iprintf("<Writing Test>\n  seed=%u  path=%s  rnum=%d  width=%d  limsiz=%" PRIdMAX "  mt=%d  omode=%d"
            "  rnd=%d\n\n", g_randseed, path, rnum, width, (int64_t) limsiz, mt, omode, rnd);
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbtune(fdb, width, limsiz)) {
        eprint(fdb, __LINE__, "tcfdbtune");
        err = true;
    }
    if (!rnd) omode |= FDBOTRUNC;
    if (!tcfdbopen(fdb, path, FDBOWRITER | FDBOCREAT | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", rnd ? myrand(rnum) + 1 : i);
        if (!tcfdbput2(fdb, buf, len, buf, len)) {
            eprint(fdb, __LINE__, "tcfdbput");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform read command */
static int procread(const char *path, bool mt, int omode, bool wb, bool rnd) {
    iprintf("<Reading Test>\n  seed=%u  path=%s  mt=%d  omode=%d  wb=%d  rnd=%d\n\n",
            g_randseed, path, mt, omode, wb, rnd);
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOREADER | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    int rnum = tcfdbrnum(fdb);
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", rnd ? myrand(rnum) + 1 : i);
        int vsiz;
        if (wb) {
            char vbuf[RECBUFSIZ];
            int vsiz = tcfdbget4(fdb, i, vbuf, RECBUFSIZ);
            if (vsiz < 0 && !(rnd && tcfdbecode(fdb) == TCENOREC)) {
                eprint(fdb, __LINE__, "tcfdbget4");
                err = true;
                break;
            }
        } else {
            char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
            if (!vbuf && !(rnd && tcfdbecode(fdb) == TCENOREC)) {
                eprint(fdb, __LINE__, "tcfdbget");
                err = true;
                break;
            }
            tcfree(vbuf);
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform remove command */
static int procremove(const char *path, bool mt, int omode, bool rnd) {
    iprintf("<Removing Test>\n  seed=%u  path=%s  mt=%d  omode=%d  rnd=%d\n\n",
            g_randseed, path, mt, omode, rnd);
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOWRITER | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    int rnum = tcfdbrnum(fdb);
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", rnd ? myrand(rnum) + 1 : i);
        if (!tcfdbout2(fdb, kbuf, ksiz) && !(rnd && tcfdbecode(fdb) == TCENOREC)) {
            eprint(fdb, __LINE__, "tcfdbout");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform rcat command */
static int procrcat(const char *path, int rnum, int width, int64_t limsiz,
        bool mt, int omode, int pnum, bool dai, bool dad, bool rl, bool ru) {
    iprintf("<Random Concatenating Test>\n"
            "  seed=%u  path=%s  rnum=%d  width=%d  limsiz=%" PRIdMAX "  mt=%d  omode=%d  pnum=%d"
            "  dai=%d  dad=%d  rl=%d  ru=%d\n\n",
            g_randseed, path, rnum, width, (int64_t) limsiz, mt, omode, pnum, dai, dad, rl, ru);
    if (pnum < 1) pnum = rnum;
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbtune(fdb, width, limsiz)) {
        eprint(fdb, __LINE__, "tcfdbtune");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOWRITER | FDBOCREAT | FDBOTRUNC | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(pnum) + 1);
        if (dai) {
            if (tcfdbaddint(fdb, tcfdbkeytoid(kbuf, ksiz), myrand(3)) == INT_MIN) {
                eprint(fdb, __LINE__, "tcfdbaddint");
                err = true;
                break;
            }
        } else if (dad) {
            if (isnan(tcfdbadddouble(fdb, tcfdbkeytoid(kbuf, ksiz), myrand(30) / 10.0))) {
                eprint(fdb, __LINE__, "tcfdbadddouble");
                err = true;
                break;
            }
        } else if (rl) {
            char vbuf[PATH_MAX];
            int vsiz = myrand(PATH_MAX);
            for (int j = 0; j < vsiz; j++) {
                vbuf[j] = myrand(0x100);
            }
            if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                eprint(fdb, __LINE__, "tcfdbputcat");
                err = true;
                break;
            }
        } else if (ru) {
            int id = myrand(pnum) + 1;
            switch (myrand(8)) {
                case 0:
                    if (!tcfdbput(fdb, id, kbuf, ksiz)) {
                        eprint(fdb, __LINE__, "tcfdbput");
                        err = true;
                    }
                    break;
                case 1:
                    if (!tcfdbputkeep(fdb, id, kbuf, ksiz) && tcfdbecode(fdb) != TCEKEEP) {
                        eprint(fdb, __LINE__, "tcfdbputkeep");
                        err = true;
                    }
                    break;
                case 2:
                    if (!tcfdbout(fdb, id) && tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbout");
                        err = true;
                    }
                    break;
                case 3:
                    if (tcfdbaddint(fdb, id, 1) == INT_MIN && tcfdbecode(fdb) != TCEKEEP) {
                        eprint(fdb, __LINE__, "tcfdbaddint");
                        err = true;
                    }
                    break;
                case 4:
                    if (isnan(tcfdbadddouble(fdb, id, 1.0)) && tcfdbecode(fdb) != TCEKEEP) {
                        eprint(fdb, __LINE__, "tcfdbadddouble");
                        err = true;
                    }
                    break;
                case 5:
                    if (myrand(2) == 0) {
                        if (!tcfdbputproc(fdb, id, kbuf, ksiz, pdprocfunc, NULL) &&
                                tcfdbecode(fdb) != TCEKEEP) {
                            eprint(fdb, __LINE__, "tcfdbputproc");
                            err = true;
                        }
                    } else {
                        if (!tcfdbputproc(fdb, id, NULL, 0, pdprocfunc, NULL) &&
                                tcfdbecode(fdb) != TCEKEEP && tcfdbecode(fdb) != TCENOREC) {
                            eprint(fdb, __LINE__, "tcfdbputproc");
                            err = true;
                        }
                    }
                    break;
                default:
                    if (!tcfdbputcat(fdb, id, kbuf, ksiz)) {
                        eprint(fdb, __LINE__, "tcfdbputcat");
                        err = true;
                    }
                    break;
            }
            if (err) break;
        } else {
            if (!tcfdbputcat2(fdb, kbuf, ksiz, kbuf, ksiz)) {
                eprint(fdb, __LINE__, "tcfdbputcat");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform misc command */
static int procmisc(const char *path, int rnum, bool mt, int omode) {
    iprintf("<Miscellaneous Test>\n  seed=%u  path=%s  rnum=%d  mt=%d  omode=%d\n\n",
            g_randseed, path, rnum, mt, omode);
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbtune(fdb, RECBUFSIZ, EXHEADSIZ + (RECBUFSIZ + sizeof (int)) * rnum)) {
        eprint(fdb, __LINE__, "tcfdbtune");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOWRITER | FDBOCREAT | FDBOTRUNC | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    if (1) {
        TCFDB *fdbdup = tcfdbnew();
        if (tcfdbopen(fdbdup, path, FDBOREADER)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
        } else if (tcfdbecode(fdbdup) != TCETHREAD) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
        }
        tcfdbdel(fdbdup);
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", i);
        if (!tcfdbputkeep2(fdb, buf, len, buf, len)) {
            eprint(fdb, __LINE__, "tcfdbputkeep");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("reading:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", i);
        int vsiz;
        char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(fdb, __LINE__, "tcfdbget");
            err = true;
            break;
        } else if (vsiz != ksiz || memcmp(vbuf, kbuf, vsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            break;
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (tcfdbrnum(fdb) != rnum) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("random writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        char vbuf[RECBUFSIZ];
        int vsiz = myrand(RECBUFSIZ);
        memset(vbuf, '*', vsiz);
        if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
            eprint(fdb, __LINE__, "tcfdbput");
            err = true;
            break;
        }
        int rsiz;
        char *rbuf = tcfdbget2(fdb, kbuf, ksiz, &rsiz);
        if (!rbuf) {
            eprint(fdb, __LINE__, "tcfdbget");
            err = true;
            break;
        }
        if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
            tcfree(rbuf);
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
        tcfree(rbuf);
    }
    iprintf("random erasing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
            eprint(fdb, __LINE__, "tcfdbout");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "[%d]", i);
        char vbuf[RECBUFSIZ];
        int vsiz = i % RECBUFSIZ;
        memset(vbuf, '*', vsiz);
        if (!tcfdbputkeep2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
            eprint(fdb, __LINE__, "tcfdbputkeep");
            err = true;
            break;
        }
        if (vsiz < 1) {
            char tbuf[PATH_MAX];
            for (int j = 0; j < PATH_MAX; j++) {
                tbuf[j] = myrand(0x100);
            }
            if (!tcfdbput2(fdb, kbuf, ksiz, tbuf, PATH_MAX)) {
                eprint(fdb, __LINE__, "tcfdbput");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("erasing:\n");
    for (int i = 1; i <= rnum; i++) {
        if (i % 2 == 1) {
            char kbuf[RECBUFSIZ];
            int ksiz = sprintf(kbuf, "[%d]", i);
            if (!tcfdbout2(fdb, kbuf, ksiz)) {
                eprint(fdb, __LINE__, "tcfdbout");
                err = true;
                break;
            }
            if (tcfdbout2(fdb, kbuf, ksiz) || tcfdbecode(fdb) != TCENOREC) {
                eprint(fdb, __LINE__, "tcfdbout");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("random writing and reopening:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        int vsiz = myrand(RECBUFSIZ);
        char *vbuf = tcmalloc(vsiz + 1);
        memset(vbuf, '*', vsiz);
        switch (myrand(3)) {
            case 0:
                if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput");
                    err = true;
                }
                break;
            case 1:
                if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbputcat");
                    err = true;
                }
                break;
            case 2:
                if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbout");
                    err = true;
                }
                break;
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOWRITER | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    iprintf("checking:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "[%d]", i);
        int vsiz;
        char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
        if (vbuf) {
            tcfree(vbuf);
        } else if (tcfdbecode(fdb) != TCENOREC) {
            eprint(fdb, __LINE__, "tcfdbget");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", i);
        if (!tcfdbput2(fdb, buf, len, buf, len)) {
            eprint(fdb, __LINE__, "tcfdbput");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("reading:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", i);
        int vsiz;
        char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(fdb, __LINE__, "tcfdbget");
            err = true;
            break;
        } else if (vsiz != ksiz || memcmp(vbuf, kbuf, vsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            break;
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("checking iterator:\n");
    if (!tcfdbiterinit(fdb)) {
        eprint(fdb, __LINE__, "tcfdbiterinit");
        err = true;
    }
    char *kbuf;
    int ksiz;
    int inum = 0;
    for (int i = 1; (kbuf = tcfdbiternext2(fdb, &ksiz)) != NULL; i++, inum++) {
        int vsiz;
        char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(fdb, __LINE__, "tcfdbget2");
            err = true;
            tcfree(kbuf);
            break;
        }
        tcfree(vbuf);
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (tcfdbecode(fdb) != TCENOREC || inum != tcfdbrnum(fdb)) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("iteration updating:\n");
    if (!tcfdbiterinit(fdb)) {
        eprint(fdb, __LINE__, "tcfdbiterinit");
        err = true;
    }
    inum = 0;
    for (int i = 1; (kbuf = tcfdbiternext2(fdb, &ksiz)) != NULL; i++, inum++) {
        if (myrand(2) == 0) {
            if (!tcfdbputcat2(fdb, kbuf, ksiz, "0123456789", 10)) {
                eprint(fdb, __LINE__, "tcfdbputcat2");
                err = true;
                tcfree(kbuf);
                break;
            }
        } else {
            if (!tcfdbout2(fdb, kbuf, ksiz)) {
                eprint(fdb, __LINE__, "tcfdbout");
                err = true;
                tcfree(kbuf);
                break;
            }
        }
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (tcfdbecode(fdb) != TCENOREC || inum < tcfdbrnum(fdb)) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    if (myrand(10) == 0 && !tcfdbsync(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsync");
        err = true;
    }
    if (!tcfdbvanish(fdb)) {
        eprint(fdb, __LINE__, "tcfdbvanish");
        err = true;
    }
    TCMAP *map = tcmapnew();
    iprintf("random writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "%d", myrand(rnum) + 1);
        switch (myrand(7)) {
            case 0:
                if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput2");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                if (!tcfdbputkeep2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputkeep2");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 2:
                if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputcat2");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbout2");
                    err = true;
                }
                tcmapout(map, kbuf, ksiz);
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("checking transaction commit:\n");
    if (!tcfdbtranbegin(fdb)) {
        eprint(fdb, __LINE__, "tcfdbtranbegin");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "[%d]", myrand(rnum) + 1);
        switch (myrand(7)) {
            case 0:
                if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput2");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                if (!tcfdbputkeep2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputkeep2");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 2:
                if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbputcat2");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                if (tcfdbaddint(fdb, tcfdbkeytoid(kbuf, ksiz), 1) == INT_MIN &&
                        tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbaddint");
                    err = true;
                }
                tcmapaddint(map, kbuf, ksiz, 1);
                break;
            case 4:
                if (isnan(tcfdbadddouble(fdb, tcfdbkeytoid(kbuf, ksiz), 1.0)) &&
                        tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbadddouble");
                    err = true;
                }
                tcmapadddouble(map, kbuf, ksiz, 1.0);
                break;
            case 5:
                if (myrand(2) == 0) {
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tcfdbputproc(fdb, tcfdbkeytoid(kbuf, ksiz), vbuf, vsiz, pdprocfunc, op) &&
                            tcfdbecode(fdb) != TCEKEEP) {
                        eprint(fdb, __LINE__, "tcfdbputproc");
                        err = true;
                    }
                    tcmapputproc(map, kbuf, ksiz, vbuf, vsiz, pdprocfunc, op);
                } else {
                    vsiz = myrand(10);
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tcfdbputproc(fdb, tcfdbkeytoid(kbuf, ksiz), NULL, vsiz, pdprocfunc, op) &&
                            tcfdbecode(fdb) != TCEKEEP && tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbputproc");
                        err = true;
                    }
                    tcmapputproc(map, kbuf, ksiz, NULL, vsiz, pdprocfunc, op);
                }
                break;
            case 6:
                if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbout2");
                    err = true;
                }
                tcmapout(map, kbuf, ksiz);
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tcfdbtrancommit(fdb)) {
        eprint(fdb, __LINE__, "tcfdbtrancommit");
        err = true;
    }
    iprintf("checking transaction abort:\n");
    uint64_t ornum = tcfdbrnum(fdb);
    uint64_t ofsiz = tcfdbfsiz(fdb);
    if (!tcfdbtranbegin(fdb)) {
        eprint(fdb, __LINE__, "tcfdbtranbegin");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum) + 1);
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "[%d]", myrand(rnum) + 1);
        switch (myrand(7)) {
            case 0:
                if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput2");
                    err = true;
                }
                break;
            case 1:
                if (!tcfdbputkeep2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputkeep2");
                    err = true;
                }
                break;
            case 2:
                if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbputcat2");
                    err = true;
                }
                break;
            case 3:
                if (tcfdbaddint(fdb, tcfdbkeytoid(kbuf, ksiz), 1) == INT_MIN &&
                        tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbaddint");
                    err = true;
                }
                break;
            case 4:
                if (isnan(tcfdbadddouble(fdb, tcfdbkeytoid(kbuf, ksiz), 1.0)) &&
                        tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbadddouble");
                    err = true;
                }
                break;
            case 5:
                if (myrand(2) == 0) {
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tcfdbputproc(fdb, tcfdbkeytoid(kbuf, ksiz), vbuf, vsiz, pdprocfunc, op) &&
                            tcfdbecode(fdb) != TCEKEEP) {
                        eprint(fdb, __LINE__, "tcfdbputproc");
                        err = true;
                    }
                } else {
                    vsiz = myrand(10);
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tcfdbputproc(fdb, tcfdbkeytoid(kbuf, ksiz), NULL, vsiz, pdprocfunc, op) &&
                            tcfdbecode(fdb) != TCEKEEP && tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbputproc");
                        err = true;
                    }
                }
                break;
            case 6:
                if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbout2");
                    err = true;
                }
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tcfdbtranabort(fdb)) {
        eprint(fdb, __LINE__, "tcfdbtranabort");
        err = true;
    }
    iprintf("checking consistency:\n");
    if (tcfdbrnum(fdb) != ornum || tcfdbfsiz(fdb) != ofsiz || tcfdbrnum(fdb) != tcmaprnum(map)) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    inum = 0;
    tcmapiterinit(map);
    const char *tkbuf;
    int tksiz;
    for (int i = 1; (tkbuf = tcmapiternext(map, &tksiz)) != NULL; i++, inum++) {
        int tvsiz;
        const char *tvbuf = tcmapiterval(tkbuf, &tvsiz);
        if (tvsiz > RECBUFSIZ) tvsiz = RECBUFSIZ;
        int rsiz;
        char *rbuf = tcfdbget2(fdb, tkbuf, tksiz, &rsiz);
        if (!rbuf || rsiz != tvsiz || memcmp(rbuf, tvbuf, rsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
            tcfree(rbuf);
            break;
        }
        tcfree(rbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    inum = 0;
    if (!tcfdbiterinit(fdb)) {
        eprint(fdb, __LINE__, "tcfdbiterinit");
        err = true;
    }
    for (int i = 1; (kbuf = tcfdbiternext2(fdb, &ksiz)) != NULL; i++, inum++) {
        int vsiz;
        char *vbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz);
        int rsiz;
        const char *rbuf = tcmapget(map, kbuf, ksiz, &rsiz);
        if (rsiz > RECBUFSIZ) rsiz = RECBUFSIZ;
        if (!rbuf || rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            tcfree(kbuf);
            break;
        }
        tcfree(vbuf);
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    tcmapdel(map);
    if (!tcfdbvanish(fdb)) {
        eprint(fdb, __LINE__, "tcfdbvanish");
        err = true;
    }
    if (rnum >= 100) {
        if (!tcfdbtranbegin(fdb)) {
            eprint(fdb, __LINE__, "tcfdbtranbegin");
            err = true;
        }
        if (!tcfdbput3(fdb, "99", "hirabayashi")) {
            eprint(fdb, __LINE__, "tcfdbput3");
            err = true;
        }
        for (int i = 0; i < 10; i++) {
            char buf[RECBUFSIZ];
            int size = sprintf(buf, "%d", myrand(rnum) + 1);
            if (!tcfdbput2(fdb, buf, size, buf, size)) {
                eprint(fdb, __LINE__, "tcfdbput2");
                err = true;
            }
        }
        for (int i = myrand(3) + 1; i < PATH_MAX; i = i * 2 + myrand(3)) {
            char vbuf[i];
            memset(vbuf, '@', i - 1);
            vbuf[i - 1] = '\0';
            if (!tcfdbput3(fdb, "99", vbuf)) {
                eprint(fdb, __LINE__, "tcfdbput3");
                err = true;
            }
        }
        if (!tcfdbforeach(fdb, iterfunc, NULL)) {
            eprint(fdb, __LINE__, "tcfdbforeach");
            err = true;
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform wicked command */
static int procwicked(const char *path, int rnum, bool mt, int omode) {
    iprintf("<Wicked Writing Test>\n  seed=%u  path=%s  rnum=%d  mt=%d  omode=%d\n\n",
            g_randseed, path, rnum, mt, omode);
    bool err = false;
    double stime = tctime();
    TCFDB *fdb = tcfdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tcfdbsetdbgfd(fdb, g_dbgfd);
    if (mt && !tcfdbsetmutex(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsetmutex");
        err = true;
    }
    if (!tcfdbtune(fdb, RECBUFSIZ * 2, EXHEADSIZ + (RECBUFSIZ * 2 + sizeof (int)) * rnum)) {
        eprint(fdb, __LINE__, "tcfdbtune");
        err = true;
    }
    if (!tcfdbopen(fdb, path, FDBOWRITER | FDBOCREAT | FDBOTRUNC | omode)) {
        eprint(fdb, __LINE__, "tcfdbopen");
        err = true;
    }
    if (!tcfdbiterinit(fdb)) {
        eprint(fdb, __LINE__, "tcfdbiterinit");
        err = true;
    }
    TCMAP *map = tcmapnew2(rnum / 5);
    for (int i = 1; i <= rnum && !err; i++) {
        uint64_t id = myrand(rnum) + 1;
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%" PRIuMAX "", (uint64_t) id);
        char vbuf[RECBUFSIZ];
        int vsiz = myrand(RECBUFSIZ);
        memset(vbuf, '*', vsiz);
        vbuf[vsiz] = '\0';
        char *rbuf;
        switch (myrand(16)) {
            case 0:
                iputchar('0');
                if (!tcfdbput2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput2");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                iputchar('1');
                if (!tcfdbput3(fdb, kbuf, vbuf)) {
                    eprint(fdb, __LINE__, "tcfdbput3");
                    err = true;
                }
                tcmapput2(map, kbuf, vbuf);
                break;
            case 2:
                iputchar('2');
                if (!tcfdbputkeep2(fdb, kbuf, ksiz, vbuf, vsiz) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputkeep2");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                iputchar('3');
                if (!tcfdbputkeep3(fdb, kbuf, vbuf) && tcfdbecode(fdb) != TCEKEEP) {
                    eprint(fdb, __LINE__, "tcfdbputkeep3");
                    err = true;
                }
                tcmapputkeep2(map, kbuf, vbuf);
                break;
            case 4:
                iputchar('4');
                if (!tcfdbputcat2(fdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbputcat2");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 5:
                iputchar('5');
                if (!tcfdbputcat3(fdb, kbuf, vbuf)) {
                    eprint(fdb, __LINE__, "tcfdbputcat3");
                    err = true;
                }
                tcmapputcat2(map, kbuf, vbuf);
                break;
            case 6:
                iputchar('6');
                if (myrand(10) == 0) {
                    if (!tcfdbout2(fdb, kbuf, ksiz) && tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbout2");
                        err = true;
                    }
                    tcmapout(map, kbuf, ksiz);
                }
                break;
            case 7:
                iputchar('7');
                if (myrand(10) == 0) {
                    if (!tcfdbout3(fdb, kbuf) && tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbout3");
                        err = true;
                    }
                    tcmapout2(map, kbuf);
                }
                break;
            case 8:
                iputchar('8');
                if (!(rbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz))) {
                    if (tcfdbecode(fdb) != TCENOREC) {
                        eprint(fdb, __LINE__, "tcfdbget2");
                        err = true;
                    }
                    rbuf = tcsprintf("[%d]", myrand(i + 1));
                    vsiz = strlen(rbuf);
                }
                vsiz += myrand(vsiz);
                rbuf = tcrealloc(rbuf, vsiz + 1);
                for (int j = 0; j < vsiz; j++) {
                    rbuf[j] = myrand(0x100);
                }
                if (!tcfdbput2(fdb, kbuf, ksiz, rbuf, vsiz)) {
                    eprint(fdb, __LINE__, "tcfdbput2");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, rbuf, vsiz);
                tcfree(rbuf);
                break;
            case 9:
                iputchar('9');
                if (!(rbuf = tcfdbget2(fdb, kbuf, ksiz, &vsiz)) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbget2");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 10:
                iputchar('A');
                if (!(rbuf = tcfdbget3(fdb, kbuf)) && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbget3");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 11:
                iputchar('B');
                if (myrand(1) == 0) vsiz = 1;
                if ((vsiz = tcfdbget4(fdb, id, vbuf, vsiz)) < 0 && tcfdbecode(fdb) != TCENOREC) {
                    eprint(fdb, __LINE__, "tcfdbget4");
                    err = true;
                }
                break;
            case 12:
                iputchar('C');
                if (myrand(rnum / 128) == 0) {
                    if (myrand(2) == 0) {
                        if (!tcfdbiterinit(fdb)) {
                            eprint(fdb, __LINE__, "tcfdbiterinit");
                            err = true;
                        }
                    } else {
                        if (!tcfdbiterinit2(fdb, myrand(rnum) + 1) && tcfdbecode(fdb) != TCENOREC) {
                            eprint(fdb, __LINE__, "tcfdbiterinit2");
                            err = true;
                        }
                    }
                }
                for (int j = myrand(rnum) / 1000 + 1; j >= 0; j--) {
                    if (tcfdbiternext(fdb) < 0) {
                        int ecode = tcfdbecode(fdb);
                        if (ecode != TCEINVALID && ecode != TCENOREC) {
                            eprint(fdb, __LINE__, "tcfdbiternext");
                            err = true;
                        }
                    }
                }
                break;
            default:
                iputchar('@');
                if (myrand(10000) == 0) srand((unsigned int) (tctime() * 1000) % UINT_MAX);
                if (myrand(rnum / 16 + 1) == 0) {
                    int cnt = myrand(30);
                    for (int j = 0; j < rnum && !err; j++) {
                        ksiz = sprintf(kbuf, "%d", i + j);
                        if (tcfdbout2(fdb, kbuf, ksiz)) {
                            cnt--;
                        } else if (tcfdbecode(fdb) != TCENOREC) {
                            eprint(fdb, __LINE__, "tcfdbout2");
                            err = true;
                        }
                        tcmapout(map, kbuf, ksiz);
                        if (cnt < 0) break;
                    }
                }
                break;
        }
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
        if (i == rnum / 2) {
            if (!tcfdbclose(fdb)) {
                eprint(fdb, __LINE__, "tcfdbclose");
                err = true;
            }
            if (!tcfdbopen(fdb, path, FDBOWRITER | omode)) {
                eprint(fdb, __LINE__, "tcfdbopen");
                err = true;
            }
        } else if (i == rnum / 4) {
            char *npath = tcsprintf("%s-tmp", path);
            if (!tcfdbcopy(fdb, npath)) {
                eprint(fdb, __LINE__, "tcfdbcopy");
                err = true;
            }
            TCFDB *nfdb = tcfdbnew();
            if (!tcfdbopen(nfdb, npath, FDBOREADER | omode)) {
                eprint(nfdb, __LINE__, "tcfdbopen");
                err = true;
            }
            tcfdbdel(nfdb);
            unlink(npath);
            tcfree(npath);
            if (!tcfdboptimize(fdb, RECBUFSIZ, -1)) {
                eprint(fdb, __LINE__, "tcfdboptimize");
                err = true;
            }
            if (!tcfdbiterinit(fdb)) {
                eprint(fdb, __LINE__, "tcfdbiterinit");
                err = true;
            }
        } else if (i == rnum / 8) {
            if (!tcfdbtranbegin(fdb)) {
                eprint(fdb, __LINE__, "tcfdbtranbegin");
                err = true;
            }
        } else if (i == rnum / 8 + rnum / 16) {
            if (!tcfdbtrancommit(fdb)) {
                eprint(fdb, __LINE__, "tcfdbtrancommit");
                err = true;
            }
        }
    }
    if (rnum % 50 > 0) iprintf(" (%08d)\n", rnum);
    if (!tcfdbsync(fdb)) {
        eprint(fdb, __LINE__, "tcfdbsync");
        err = true;
    }
    if (tcfdbrnum(fdb) != tcmaprnum(map)) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    for (int i = 1; i <= rnum && !err; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", i);
        int vsiz;
        const char *vbuf = tcmapget(map, kbuf, ksiz, &vsiz);
        int rsiz;
        char *rbuf = tcfdbget2(fdb, kbuf, ksiz, &rsiz);
        if (vbuf) {
            iputchar('.');
            if (vsiz > RECBUFSIZ) vsiz = RECBUFSIZ;
            if (!rbuf) {
                eprint(fdb, __LINE__, "tcfdbget2");
                err = true;
            } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
                eprint(fdb, __LINE__, "(validation)");
                err = true;
            }
        } else {
            iputchar('*');
            if (rbuf || tcfdbecode(fdb) != TCENOREC) {
                eprint(fdb, __LINE__, "(validation)");
                err = true;
            }
        }
        tcfree(rbuf);
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
    }
    if (rnum % 50 > 0) iprintf(" (%08d)\n", rnum);
    tcmapiterinit(map);
    int ksiz;
    const char *kbuf;
    for (int i = 1; (kbuf = tcmapiternext(map, &ksiz)) != NULL; i++) {
        iputchar('+');
        int vsiz;
        const char *vbuf = tcmapiterval(kbuf, &vsiz);
        if (vsiz > tcfdbwidth(fdb)) vsiz = tcfdbwidth(fdb);
        int rsiz;
        char *rbuf = tcfdbget2(fdb, kbuf, ksiz, &rsiz);
        if (!rbuf) {
            eprint(fdb, __LINE__, "tcfdbget2");
            err = true;
        } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(fdb, __LINE__, "(validation)");
            err = true;
        }
        tcfree(rbuf);
        if (!tcfdbout2(fdb, kbuf, ksiz)) {
            eprint(fdb, __LINE__, "tcfdbout2");
            err = true;
        }
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
    }
    int mrnum = tcmaprnum(map);
    if (mrnum % 50 > 0) iprintf(" (%08d)\n", mrnum);
    if (tcfdbrnum(fdb) != 0) {
        eprint(fdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tcfdbrnum(fdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tcfdbfsiz(fdb));
    mprint(fdb);
    sysprint();
    tcmapdel(map);
    if (!tcfdbclose(fdb)) {
        eprint(fdb, __LINE__, "tcfdbclose");
        err = true;
    }
    tcfdbdel(fdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}



// END OF FILE
